Title : Enhanced Stat3 activation in POMC neurons provokes negative feedback inhibition of leptin and insulin signaling in obesity.

Pub. Date : 2009 Sep 16

PMID : 19759305






1 Functional Relationships(s)
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1 This unexpected finding coincides with POMC-cell-specific, Stat3-mediated upregulation of SOCS3 expression inhibiting both leptin and insulin signaling as insulin-stimulated PIP(3) (phosphatidylinositol-3,4,5 triphosphate) formation and protein kinase B (AKT) activation in POMC neurons as well as with the fact that insulin"s ability to hyperpolarize POMC neurons is largely reduced in POMC cells of Stat3-C(POMC) mice. pip(3) signal transducer and activator of transcription 3 Mus musculus